Background matters: Why identical introgressions yield unidentical traits
Genes introgressed from wild relatives often confer superior disease resistance compared with those in modern cultivars. Although domesticated crops share a wild ancestry, selective breeding and shifting pathogen pressures have eroded their natural defence repertoire. Consequently, modern crop improvement increasingly seeks to reintroduce these ancestral mechanisms to restore durable, broad-spectrum immunity in elite varieties. Introgression […]
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